Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
dung cong » dung trong
trinh han » trinh quan
cua dung » cua dang, cua dong, qua dung
han hai » hang hai, chan hai, phan hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - canh doanh cua dung cong trinh han hai~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh doanh cua dung cong trinh han hai*.